FIELDS · 66633500 · DISTRICT 7B

Obrien (Strawn)

Haskell 10

Obrien (Strawn) is an RRC field with 12 leases on file reported by 22 operators, in Haskell County.

In the 12 months reported through April 2026 it produced 1,156 barrels of oil, down 29% on the year before, from 2 leases reporting volume.

Iron Bell Operating, LLC holds the most, 3 leases and 158,587 barrels lifetime.

Lifetime, the field has reported 409,684 barrels of oil and 29,421 mcf of gas.

12
leases on file
22
operators, all time
1.16K
bbl oil, last 12 reported -29%
0
mcf gas, last 12 reported
2
leases reporting volume
410K
bbl oil, lifetime · 29.4K mcf

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Oil by month

TEN YEARS · EVERY LEASE IN THE FIELD

Barrels reported on Form PR across the field's leases. The latest months are revised upward as late reports arrive.

Last 12 months 1,156 · prior 12 1,624(-29%)

05001K20162017201820192020202120222023202420252026

Leases reporting volume

How many of the field's leases reported any oil or gas each month: the field's active footprint.

Latest month 2 · a year earlier 2(+0%)

024620162017201820192020202120222023202420252026

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 8

OperatorLeasesOil, bblGas, mcfLast reported
Iron Bell Operating, LLC3159K70Jul 2026
Scout Engy Management LLC2136K17.7KJul 2026
Foundation Engy Management LLC284.9K48Sep 2020
Chisholm Oper, Inc115.9K8.25KJul 2026
Petra Oleum Corp15.82K3.26KFeb 2008
Chaparral Engy, L.L.C14.43K24Feb 2011
Bristol Res Corp13.62K24Feb 1999
Patton, E. N. Oil Co, Inc100May 2003

All 12 leases in Obrien (Strawn), searchable →

Counties

About this data

Field 66633500 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed nightly from every lease report naming the field, cut at the statewide reported-through month. Counties from the wells completed on each lease.

New to these records? how production is reported

Developers: this page as JSON is GET /v1/data/fields/tx/66633500, documented in the API reference.